| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 208 | 3.165,61 | 15,22 | 2 |
| 2007 | 61 | 1.592,89 | 26,11 | 1 |
| 2008 | 96 | 3.119,59 | 32,50 | 2 |
| 2009 | 113 | 2.132,53 | 18,87 | 2 |
| 2010 | 102 | 2.691,01 | 26,38 | 3 |
| 2011 | 40 | 1.338,70 | 33,47 | 1 |
| 2012 | 146 | 3.597,21 | 24,64 | 3 |
| 2013 | 117 | 2.059,73 | 17,60 | 3 |
| 2014 | 125 | 2.750,53 | 22,00 | 4 |
| 2015 | 62 | 1.468,82 | 23,69 | 2 |
| 2016 | 130 | 2.899,99 | 22,31 | 4 |
| 2017 | 120 | 2.701,91 | 22,52 | 4 |
| 2018 | 129 | 2.905,56 | 22,52 | 4 |
| 2019 | 104 | 2.219,14 | 21,34 | 3 |
| 2020 | 84 | 2.258,31 | 26,88 | 4 |
| 2021 | 76 | 1.792,41 | 23,58 | 3 |
| 2022 | 72 | 1.824,38 | 25,34 | 3 |
| 2023 | 83 | 1.786,24 | 21,52 | 3 |
| 2024 | 83 | 2.033,20 | 24,50 | 3 |
| totale | 1.951 | 44.337,76 | 22,73 | 54 |